speak的名词形式
speaker
英 [ˈspiːkə(r)] 美 [ˈspiːkər]
n. 发言人；演讲者；讲话者；说（某种语言）的人
复数：speakers
例句：
It is my great pleasure to introduce our guest speaker.
我非常荣幸能够介绍我们的特邀演讲人。
The speaker was drowned out by a group of protesters.
讲话人的声音被一群抗议者的呼喊声所掩盖。
speaker
英 [ˈspiːkə(r)] 美 [ˈspiːkər]
n. 发言人；演讲者；讲话者；说（某种语言）的人
复数：speakers
例句：
It is my great pleasure to introduce our guest speaker.
我非常荣幸能够介绍我们的特邀演讲人。
The speaker was drowned out by a group of protesters.
讲话人的声音被一群抗议者的呼喊声所掩盖。
